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Understanding DAOs: An Empirical Study on Governance Dynamics
Qin Wang;Guangsheng Yu;Yilin Sai;Caijun Sun;Lam Duc Nguyen;Shiping Chen
IEEE Transactions on Computational Social Systems
Year: 2025 | Early Access Article |
As a typical instance of human–computer interaction, the notion of decentralized autonomous organization (DAO) represents an organization constructed by automatically executed rules, such as via smart contracts, incorporating features of the permissionless committee, transparent proposals, and fair contributions by stakeholders. As of May 2023, DAO has impacted over $24.3B market caps. However, th...Show More
BDSP: A Fair Blockchain-enabled Framework for Privacy-Enhanced Enterprise Data Sharing
Lam D. Nguyen;James Hoang;Qin Wang;Qinghua Lu;Sherry Xu;Shiping Chen
2023 IEEE International Conference on Blockchain and Cryptocurrency (ICBC)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
Across industries, there is an ever-increasing rate of data sharing for collaboration and innovation between organizations and their customers, partners, suppliers, and internal teams. However, many enterprises are restricted from freely sharing data due to regulatory restrictions across different regions, performance issues in moving large volume data, or requirements to maintain autonomy. In suc...Show More
A First Look into Blockchain DAOs
Qin Wang;Guangsheng Yu;Yilin Sai;Caijun Sun;Lam Duc Nguyen;Xiwei Xu;Shiping Chen
2023 IEEE International Conference on Blockchain and Cryptocurrency (ICBC)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
Decentralized autonomous organizations (DAOs) are critical to the blockchain ecosystem as they enable decentralized decision-making and governance, and facilitate the creation of decentralized applications (DApps) and organizations. However, despite significant importance, there is currently a lack of a comprehensive overview and detailed understanding of DAOs. To address the gap, this work presen...Show More
Self-Healing Secure Blockchain Framework in Microgrids
IEEE Transactions on Smart Grid
Cited by: Papers (13)
Blockchain has recently been depicted as a secure protocol for information exchange in cyber-physical microgrids. However, it is still found vulnerable to consensus manipulation attacks. These stealth attacks are often difficult to detect as they use kernel-level access to mask their actions. In this paper, we firstly build a trusted and secured peer-to-peer network mechanism for physical DC micro...Show More
A Contribution-Based Device Selection Scheme in Federated Learning
IEEE Communications Letters
Cited by: Papers (14)
In a Federated Learning (FL) setup, a number of devices contribute to the training of a common model. We present a method for selecting the devices that provide updates in order to achieve improved generalization, fast convergence, and better device-level performance. We formulate a min-max optimization problem and decompose it into a primal-dual setup, where the duality gap is used to quantify th...Show More
Learning, Computing, and Trustworthiness in Intelligent IoT Environments: Performance-Energy Tradeoffs
Beatriz Soret;Lam D. Nguyen;Jan Seeger;Arne Bröring;Chaouki Ben Issaid;Sumudu Samarakoon;Anis El Gabli;Vivek Kulkarni;Mehdi Bennis;Petar Popovski
An Intelligent IoT Environment (iIoTe) is comprised of heterogeneous devices that can collaboratively execute semi-autonomous IoT applications, examples of which include highly automated manufacturing cells or autonomously interacting harvesting machines. Energy efficiency is key in such edge environments, since they are often based on an infrastructure that consists of wireless and battery-run de...Show More
Modeling and Analysis of Data Trading on Blockchain-Based Market in IoT Networks
Lam Duc Nguyen;Israel Leyva-Mayorga;Amari N. Lewis;Petar Popovski
IEEE Internet of Things Journal
Cited by: Papers (60)
Mobile devices with embedded sensors for data collection and environmental sensing create a basis for a cost-effective approach for data trading. For example, these data can be related to pollution and gas emissions, which can be used to check the compliance with national and international regulations. The current approach for IoT data trading relies on a centralized third-party entity to negotiat...Show More
Trusted Wireless Monitoring Based on Distributed Ledgers over NB-IoT Connectivity
Lam D. Nguyen;Anders E. Kalor;Israel Leyva-Mayorga;Petar Popovski
IEEE Communications Magazine
Cited by: Papers (17)
The data collected from IoT devices on various emissions or pollution can have significant economic value for stakeholders. This makes it prone to abuse or tampering and brings forward the need to integrate IoT with a DLT to collect, store, and protect the IoT data. However, the DLT brings additional overhead to the frugal IoT connectivity and symmetrizes the IoT traffic, thus changing the usual a...Show More
Communication Aspects of the Integration of Wireless IoT Devices with Distributed Ledger Technology
Pietro Danzi;Anders E. Kalor;Rene B. Sorensen;Alexander K. Hagelskjaer;Lam D. Nguyen;Cedomir Stefanovic;Petar Popovski
The pervasive need to safely share and store information between devices calls for the replacement of centralized trust architectures with decentralized ones. DLTs are seen as the most promising enabler of decentralized trust, but they still lack technological maturity, and their successful adoption depends on the understanding of the fundamental design trade-offs and their reflection in the actua...Show More
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